* {
    padding: 0px;
    margin: 0px;
    box-sizing: border-box;
}
li {
    list-style: none;
}
a {
    text-decoration: none;
    color: #000;
}
body {
    height: 100vh;
    width: 3100px;
    background-color: #ffce01;
    overflow-y: hidden;
    overflow-x: hidden;
}
.zong {
    height: 100%;
    width: 100%;
}
header{
    height: 15%;
}
.nav{
    width: 100%;
    height: 15%;
    /* background-color: blue; */
    display: flex;
    position: fixed;
    top: 0;
}
.nav>div {
    width: 25%;
    height: 15%;
    margin-top: 3%;
    text-align: center;
    justify-content: space-around;
}
.nav>div>a>i {
    color: #000;
    font-size: 30px;
    font-weight: 600;
    margin-left: 100px;
}
.nav ul{
    height: 15%;
    width: 75%;
    display: flex;
    justify-content: space-around;
    margin-top: 3%;
    text-align: center;
}
/* .nav ul li a:hover{
    border-bottom:solid #000 3px ;
} */
.nav ul li a{
    color: #000;
    font-size: 18px;
    font-weight: 600;
    font-family: emoji;
}
.nav ul li:nth-child(7) {
    color: #000;
    font-size: 20px;
    font-weight: 600;
}
.underline {
    position: relative;
}
.underline:after{
    content: "";
    width: 0;
    height: 3px;
    background: #000;
    position: absolute;
    top: 100%;
    left: 50%;
    transition: all .9s;
    border-radius: 15%;
}
.underline:hover:after{
    left: 0%;
    width: 100%;
 }
 .footer {
    height: 85%;
}
.footer-top p{
    font-size: 75px;
    /* line-height: 80px; */
    font-family: Rileyson;
    align-items: center;
    font-weight: 500;
    padding-bottom: 10px;
    margin-top: -5px;
    margin-left: 80px;
    width: 1320px;
    border-bottom: 4px solid #000;
}
.footer-bottom ul:nth-child(1){
    font-size: 40px;
    margin-top: 5px;
    margin-left: 18%;
    padding-bottom: 30px;
    
}
.xian {
    margin-left: 18%;
    width: 840px;
    border-bottom: 4px solid #000;
}
.footer-bottom ul:nth-child(1) li {
    margin-top: 18px;
}
.footer-bottom ul:nth-child(3) {
    margin-left: 18%;
    display: flex;
    align-items: center;
    height: 60px;
    margin-top: 5px;
}
.footer-bottom ul:nth-child(3) li {
    font-size: 19px;
}
.footer-bottom ul:nth-child(3) li:nth-child(2) {
    padding-left: 25px;
}
.footer-bottom ul:nth-child(3) li:nth-child(3) {
    padding-left: 25px;
}